Spade Drill Blanks:
Introduction:
We manufacture standard and special carbide drilling insert blanks, including
● Solid carbide slot drill blanks
● Spade drill blanks, like SDB blanks
● Modular drill tips in complex geometry
● Other special solid drilling blanks
Specification:
Customer can use this type of tungsten alloy spade drill blank to make drills, like AMECs.
Shape | Style | Dimension | Grade | |||
L | W | T | D | GU20 | ||
| SDB131002 | 13.46 | 10.03 | 2.76 | 2.26 | ● |
SDB181203 | 18.03 | 12.04 | 3.56 | 2.64 | ● | |
SDB241404 | 24.77 | 14.99 | 4.32 | 3.30 | ● | |
SDB351705 | 35.43 | 17.27 | 5.13 | 4.29 | ● | |
SDB482106 | 48.26 | 21.49 | 6.73 | 5.54 | ● | |
Grade for Spade Drill Blanks:
Grade | Application | Microstructure |
GU20 | 10% Cobalt inside, an industry-standard for round tools. Recommended for rough and LIGHT-interrupted milling. PVD-coated is recommended for longer tool life. |
|
Notes: GU20 can replace KFS64/KCM25B of Kennametal, H10F from Hyperion and HB30 from Boehlerit.
GEHM Grade | Co(%) | HRA | Hyperion | Ceratizit | Kennametal | Boehlerit | Estech | ZCC |
GU20 | 10.3 | 91.9 | H10F | CTS20D | KFS64 | HB30 | RX10 | YL10.2 |
Advantage and Features of Spade Drill Blanks:
● State-of-the-art CNC pressing on premier Swiss-made powder-metal presses up to 100 tons
● HIP sintering and vacuum sintering
● Pressed on angle capability
● Complex geometries and topographies
Services for GEHM’s Spade Drill Blanks:
● Private label program of finished and semi-finished products
● Pre-forming of green carbide blanks
● Prototyping of all carbide products
● Demonstrated capabilities on complex geometries and topographies
Production Process of Spade Drill Blanks:

Our workshop for Spade Drill Blanks:

GEHM presence at exhibition:

FAQ:
Q1: When is your company founded?
A: Three decades ago, we entered into tungsten industry. Later due to products expansion, GEHM was founded in 2011 to focus on cutting tool blanks and wear parts.
Q2: What’s your main product?
A: Standard & custom-made insert blanks, carbide flats, circular saw, saw tips and wear parts…
Q3: What countries do you mainly export?
A: America is our main export market at present. Our custom-molded insets blanks and saw tips sell well there. And we also have business in Asia and Europe. Europe is a market with unlimited potential and it is also our focus of works for the long future. There are lots of excellent toolmakers such as Mapal, Horn, Smicut in Europe.
Packaging & Shipping:
Shipping available by express such as DHL, FedEx and by air or by sea.

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